Tech Tips – HVAC School For HVAC Techs, By HVAC Techs (Refrigeration as well)
-
Pressure / Enthalpy Diagram Example
This article is written by my buddy and Canadian Supertech Tim Tanguay. Thanks Tim! This P/E chart shows R410a at 100°F Saturated Condensing Temp, 10°F […]
-
Diagnosing ECM & X13 Motors
First, let’s give proper credit. Most of the best practices and tools for the diagnosis of ECM and X13 motors come from Regal / Genteq and their site […]
-
The Friction Rate Chart (and What it Means)
A lot of proper duct design comes down to a understanding of available static pressure and friction rate. We’ve covered this topic several times on this […]
-
Electronic Leak Detection DOES WORK
I hear many techs complain about the finicky and ineffective nature of electronic leak detection. So much so that some claim that is is a waste of time […]
-
Heat Exchanger Crack Diagnosis
There are two camps I’ve run into regarding cracked heat exchanger diagnosis. Those who look for it everywhere and those who dismiss it and never look. I […]